Bioaccumulation requires one organism, while biomagnification requires multiple organisms Biomagnification requires movement up a food chain in order to occur, while bioaccumulation does not To unlock this lesson you must be a Study.com Member.
The weighted average price for organic half gallon milk is $3.72. For a conventional half gallon of milk, the average. price is $2.33, an organic price premium of $1.39. Once again, there were more total ads for organic milk than. conventional milk. Organic milk advertisement numbers decreased 7%, and ad numbers for conventional milk. decreased 12%.
The plummeting price of milk has emerged as one of the few bright spots for consumers in a prolonged recession. Since last year, prices have dropped more than 20 percent, from a nationwide average of $3.89 per gallon in August 2008 to just $2.98.